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Finding the Fourth Proportional to 43.86, 60.48 and 36.96

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Solution

The fourth proportional to 43.86, 60.48 and 36.96 is: 50.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    43.86 : 60.48 = 36.96 : x
  2. Step 2: Convert to fraction form
    43.86/60.48 = 36.96/x
  3. Step 3: Cross multiply
    43.86x = 60.48 × 36.96
  4. Step 4: Simplify right side
    43.86x = 2,235.34
  5. Step 5: Solve for x
    x = 2,235.34/43.86
  6. Step 6: Final answer
    x = 50.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.